Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Peter Hans Musser, PH.D
Psychologist in Havre De Grace, MD · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1336447408
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Peter Hans Musser
Credential PH.D
Sex Male
Practice address 800 Tydings Ln, Havre De Grace, MD, 21078
Phone (410) 273-6600
Enumeration date Mar 14, 2011
Last updated in NPPES Mar 14, 2011
Taxonomy & licenses
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Peter Musser?
The National Provider Identifier (NPI) for Peter Musser is 1336447408, a Type 1 (individual) record in the CMS NPPES registry.
Where does Peter Musser practice?
The practice location on file with NPPES is in Havre De Grace, MD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Ashley, Inc Substance Abuse Rehabilitation Facility · Havre De Grace, MD NPI 1801873989 Karen Canter Family Medicine Physician · Havre De Grace, MD NPI 1730147794 Joseph Hobelmann Addiction Medicine (Psychiatry & Neurology) Physician · Havre De Grace, MD NPI 1588694848 Daniel Bochicchio Addiction Medicine (Anesthesiology) Physician · Havre De Grace, MD NPI 1689757791 Bernadette Solounias Substance Abuse Rehabilitation Facility · Havre De Grace, MD NPI 1053464909 Gianni Migliaccio Physician Assistant · Havre De Grace, MD NPI 1376737411 Ashley, Inc. Addiction (Substance Use Disorder) Counselor · Havre De Grace, MD NPI 1144612151 Ashley, Inc Addiction Medicine (Psychiatry & Neurology) Physician · Havre De Grace, MD NPI 1568847663
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-03-14.